original description
Pfeiffer, C. (1821-1828). <i>Naturgeschichte deutscher Land- und Süsswasser-Mollusken</i>. Weimar. Abt. 1: i-x, 1-134, pls 1-8 [1821]; Abt. 2: i-viii, 1-40, pls 1-8 [1825]; Abt. 3: i-vi, 1-84, pls 1-8 [1828]. , available online at https://www.biodiversitylibrary.org/page/52682383
page(s): 41, Taf. VII. Fig. 9 [details]
From editor or global species database
Type locality Auf den Alpen Steyermarks [details]